regex

问题 I am looking for a regular expression to find all input fields of type hidden in html output. Anyone know an expression to do such? 回答1: I agree that the link Radomir suggest is correct that HTML should not be parsed with regular expressions. However, I do not agree that nothing meaningful can be gleaned from their use together. And the ensuing rant is totally counter-productive. To correct Robert's RegEx: <([^<]*)type=('|")hidden('|")>[^<]*(/>|</.+?>) 回答2: I know you asked for regular

问题 I want to write a regular expression in c++ to match a #include preprocessing directive. So I wrote this: std::regex includePattern("^[[:blank:]|[:space:]]*#[[:blank:]|[:space:]]*include[[:blank:]|[:space:]]+[<|\"]{1}[_[:alpha:]]+[_[:alnum:]]*"); This is worked for: std::string matchString = "#include <vector>"; But only matches parts of the string excluded the trailing ">", but if I change the regex to this: std::regex includePattern("^[[:blank:]|[:space:]]*#[[:blank:]|[:space:]]*include[[

问题 Facing some repetition errors after running tests from Java class I have tried to change/update my steps and runner file but unfortunately this did not help to solve my problem. I'm quite new in cucumber and maven so if the information that I've provided is less please let me know. Feature file 1: Feature: Login into account Existing user should be able to login account using correct credentials Scenario: Login into account with correct credentials Given User navigates to stackoverflow

问题 I've written the following script to count the number of sentences in a text file: import re filepath = 'sample_text_with_ellipsis.txt' with open(filepath, 'r') as f: read_data = f.read() sentences = re.split(r'[.{1}!?]+', read_data.replace('\n','')) sentences = sentences[:-1] sentence_count = len(sentences) However, if I run it on a sample_text_with_ellipsis.txt with the following content: Wait for it... awesome! I get sentence_count = 2 instead of 1 , because it does not ignore the ellipsis

问题 I am trying to write a regular expression to find C style headers in Java source files. At the present time I am experimenting with this with Python. Here is my source code: import re text = """/* * Copyright blah blah blha blah * blah blah blah blah * 2008 blah blah blah @ org */""" print print "I guess the program printed the correct thing." pattern = re.compile("^/.+/$") print "-----------" print pattern pos = 0 while True: match = pattern.search(text, pos) if not match: break s = match

问题 In my application client is uploading data from MS word to Textarea. My RegEx skills are not so good :) I need a RegEx to filter all the junk characters from string and the only acceptable input is characters from keyboard. i.e, A-Z, a-z, 0-9 and all the special chracters present on keyboard + all currency symbols. EDIT: I want to allow only ascii codes including extended. http://www.asciitable.com/ 回答1: I have checked the ASCII table and all printable symbols it contains are present on any

问题 In my application client is uploading data from MS word to Textarea. My RegEx skills are not so good :) I need a RegEx to filter all the junk characters from string and the only acceptable input is characters from keyboard. i.e, A-Z, a-z, 0-9 and all the special chracters present on keyboard + all currency symbols. EDIT: I want to allow only ascii codes including extended. http://www.asciitable.com/ 回答1: I have checked the ASCII table and all printable symbols it contains are present on any

问题 How can i get rid of trailing spaces in preg_split result without using preg_replace to first remove all spaces from $test string? $test = 'One , Two, Thee '; $test = preg_replace('/\s+/', ' ', $test); $pieces = preg_split("/[,]/", $test); 回答1: If it must be preg_split() (you actually required that in the question) then this might help: $test = 'One , Two, Thee '; $pieces = preg_split("/\s*,\s*/", trim($test), -1, PREG_SPLIT_NO_EMPTY); trim() is used to remove space before the first and

问题 I am new to this. Code from my .htaccess file goes like this: RewriteEngine on RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule .* index.php/$0 [PT,L] RewriteCond %{HTTP_HOST} ^www\.(.+) [NC] RewriteRule ^(.*) http://%1/$1 [R=301,NE,L] Redirect 301 /abc/ /abcnew/ I want this to redirect from www to non-www i.e., from http://www.example.com to http://example.com I copied: RewriteCond %{HTTP_HOST} ^www\.(.+) [NC] RewriteRule ^(.*) http://%1/$1 [R

问题 I need to extract URLs from a column of DataFrame which was created using following values creation_date,tweet_id,tweet_text 2020-06-06 03:01:37,1269102116364324865,#Webinar: Sign up for @SumoLogic's June 16 webinar to learn how to navigate your #Kubernetes environment and unders… https://stackoverflow.com/questions/42237666/extracting-information-from-pandas-dataframe 2020-06-06 01:29:38,1269078966985461767,"In this #webinar replay, @DisneyStreaming's @rothgar chats with @SumoLogic's